PERCENTAGES
Authored by Jyothi Santha
Mathematics
10th Grade
Used 10+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jenny invests $8500 for 3 years in a savings account.
She gets 2.3% per year compound interest.
How much money will Jenny have in her savings account at the end of 3 years?
Give your answer correct to the nearest dollar.
9100
9850
9000
8550
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jalina gets a salary increase of 5%
Her salary after the increase is HK$252 000
Work out Jalina's salary before the increase.
251000
240000
241010
241110
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Josh buys and sells books for a living.
He buys 120 books for £4 each.
He sells 1/2 of the books for £5 each.
He sells 40% of the books for £7 each.
He sells the rest of the books for £8 each.
Calculate Josh's percentage profit.
50
52.5
58
60
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A machine has a buzzer that sounds every 50 minutes.
The machine also has a bell that sounds every 80 minutes.
The buzzer and the bell sound together at 10 am.
Find the time at which they next sound together.
4:40 PM
2:30 PM
2:00 PM
4 PM
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the Highest Common Factor (HCF) of 140 and 245
30
35
15
40
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